CN217360295U

CN217360295U - Wind power generation tower deformation monitoring system

Info

Publication number: CN217360295U
Application number: CN202220323447.2U
Authority: CN
Inventors: 甘锋; 卢花妍
Original assignee: Shaanxi Zhongan Suotai Intelligent Technology Co ltd
Current assignee: Shaanxi Zhongan Suotai Intelligent Technology Co ltd
Priority date: 2022-02-17
Filing date: 2022-02-17
Publication date: 2022-09-02
Anticipated expiration: 2032-02-17

Abstract

The utility model discloses a wind power generation tower deformation monitoring system, the test tower comprises a tower, the top of pylon is connected with a tower section of thick bamboo, the top of a tower section of thick bamboo is connected with the cabin, the one end in cabin is connected with the hubcap, the blade is installed to the outside equidistance of hubcap, both ends all are provided with first monitoring mechanism about the outer wall of a tower section of thick bamboo, the both ends that the outer wall of a tower section of thick bamboo is close to the center are provided with second monitoring mechanism. The utility model discloses combine three kinds of equipment of inclinometer sensor, microwave radar sensor, high accuracy receiver, realized that the tower wall of wind power generation tower warp distortion, the base subsides displacement, the deformation monitoring system scheme of the tribit integration that the tower section of thick bamboo slope condition combined together to reach the safety and stability who carries out real-time supervision, early warning analysis's purpose to whole wind tower, be applicable to on-land wind power generation tower, under the condition of not installing the high accuracy receiver, also can be used to the deformation monitoring of offshore wind power generation tower.

Description

Wind power generation tower deformation monitoring system

Technical Field

The utility model relates to a wind power generation tower monitoring field specifically is wind power generation tower deformation monitoring system.

Background

With the outbreak of energy crisis in the world, renewable energy sources such as wind power and the like are more and more widely applied, so that the development of a wind power generation system is driven, the wind power generation is a power generation mode for converting the kinetic energy of wind into electric energy, a device required by the wind power generation is called a wind power generator set, and the wind power generator set generally comprises a wind wheel, a generator and a tower barrel.

At present, the monitoring of tower section of thick bamboo slope is carried out mostly in wind power generation tower safety monitoring field, and whether the slope monitoring can only monitor a wind tower section of thick bamboo and incline, and when wind tower operation in-process, if the bottom is firm, upper portion leads to tower section of thick bamboo distortion because external force, probably leads to tower section of thick bamboo rupture, collapses.

Therefore, it is necessary to provide a wind power tower deformation monitoring system to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a wind power generation tower warp monitoring system to solve the problem that above-mentioned background art exists.

In order to achieve the above object, the utility model provides a following technical scheme: wind power generation tower deformation monitoring system, including the pylon, the top of pylon is connected with a tower section of thick bamboo, the top of a tower section of thick bamboo is connected with the cabin, the one end in cabin is connected with the hubcap, the blade is installed to the outside equidistance of hubcap, both ends all are provided with first monitoring mechanism about the outer wall of a tower section of thick bamboo, the both ends that the outer wall of a tower section of thick bamboo is close to the center are provided with the second monitoring mechanism.

Preferably, the first monitoring mechanism comprises a ring frame arranged on the outer walls of the upper end and the lower end of the tower barrel, an inner groove is formed in the center of the inner portion of the ring frame, a toothed ring is arranged inside the inner groove, the outer wall of the toothed ring is connected with a bent rod, and the bottom end of the bent rod is connected with an inclinometer sensor.

Preferably, a vertically downward motor is arranged at the top of the circular ring frame, the output end of the motor penetrates through the inner groove, a gear is connected to the inner groove, and the gear is in meshed connection with the gear ring.

Preferably, a vertically downward circular groove is formed in the circular frame, and the vertically downward end of the bent rod penetrates through the circular groove.

Preferably, the second monitoring mechanism is close to central both ends install bin including installing the outer wall at a tower section of thick bamboo, the inside top of install bin is connected with electronic pole, the bottom of electronic pole is connected with the T shaped plate that runs through the install bin bottom, the bottom of T shaped plate is connected with microwave radar sensor.

Preferably, high-precision receivers are installed at two ends of the top of the tower, and a high-precision GNSS reference point is arranged at one parallel end of the tower.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model combines three devices of an inclinometer sensor, a microwave radar sensor and a high-precision receiver, and realizes a three-in-one deformation monitoring system scheme combining the conditions of deformation and distortion of the tower wall, base settlement displacement and tower barrel inclination of the wind power generation tower, thereby achieving the purposes of real-time monitoring and early warning analysis on the safety and stability of the whole wind tower, being suitable for the wind power generation tower on land, and being also used for the deformation monitoring of the offshore wind power generation tower without installing the high-precision receiver;

2. the utility model discloses a motor that sets up starts can the running gear, thereby gear revolve can mesh and rotate the ring gear and can rotate the knee so that the inclinometer sensor can detect in the different positions of coplanar, thereby can control microwave radar sensor's height through the electric pole that sets up and can detect the inside distortion micro variable of a tower section of thick bamboo on the co-altitude.

Drawings

Fig. 1 is a side view of the present invention;

fig. 2 is a perspective view of the first monitoring mechanism of the present invention;

fig. 3 is a schematic top view of the first monitoring mechanism of the present invention;

fig. 4 is a schematic front view of the second monitoring mechanism of the present invention;

fig. 5 is an operation flowchart of the present invention.

In the figure: 1. a tower; 2. a tower drum; 3. a nacelle; 4. a hubcap; 5. a blade; 6. a first monitoring mechanism; 601. a circular ring frame; 602. an inner tank; 603. a toothed ring; 604. bending a rod; 605. an inclinometer sensor; 7. a second monitoring mechanism; 701. installing a box; 702. an electric rod; 703. a T-shaped plate; 704. a microwave radar sensor; 8. a motor; 9. a gear; 10. a circular groove; 11. a high-precision receiver; 12. the high-precision GNSS is referenced to the reference point.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "disposed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. The following describes an embodiment of the present invention according to its overall structure.

The first embodiment is as follows: please refer to fig. 1-4, wind power generation tower deformation monitoring system, including pylon 1, the top of pylon 1 is connected with a tower section of thick bamboo 2, the top of tower section of thick bamboo 2 is connected with cabin 3, the one end of cabin 3 is connected with hubcap 4, blade 5 is installed to the outside equidistance of hubcap 4, both ends all are provided with first monitoring mechanism 6 about the outer wall of a tower section of thick bamboo 2, the both ends that the outer wall of a tower section of thick bamboo 2 is close to the center are provided with second monitoring mechanism 7, during the use, can realize the whole incline direction of a tower section of thick bamboo 2, the real-time supervision of inclination through the first monitoring mechanism 6 that sets up, the precision can reach 0.01 degree, can carry out real-time synchronization monitoring to the multiple spot displacement volume of a tower section of thick bamboo 2 curved surface through the second monitoring mechanism 7 that sets up, the monitoring precision reaches 0.01 MM.

As shown in fig. 1-4, the first monitoring mechanism 6 includes a circular ring frame 601 installed on the outer walls of the upper and lower ends of the tower 2, an inner groove 602 is opened in the center of the circular ring frame 601, a gear ring 603 is installed inside the inner groove 602, the outer wall of the gear ring 603 is connected with a curved bar 604, and the bottom end of the curved bar 604 is connected with an inclinometer sensor 605.

As shown in fig. 1-4, a vertically downward motor 8 is disposed at the top of the circular frame 601, a gear 9 is connected to an output end of the motor 8 penetrating into the inner groove 602, the gear 9 is meshed with the toothed ring 603, the gear 9 can be rotated by starting the motor 8, and the gear 9 can be rotated to be meshed with the toothed ring 603, so that the curved rod 604 can be rotated to enable the inclinometer sensor 605 to perform detection at different positions on the same plane.

As shown in fig. 1-4, a vertical downward circular groove 10 is formed in the circular frame 601, the vertical downward end of the bent rod 604 penetrates through the circular groove 10, the bent rod 604 can be limited by the circular groove 10, and the inclinometer sensor 605 is prevented from being inaccurate in detection due to deviation generated when the bent rod 604 rotates.

As shown in fig. 1 to 4, the second monitoring mechanism 7 includes an installation box 701 installed on the outer wall of the tower drum 2 near the center of the two ends, the top of the installation box 701 is connected with an electric rod 702, the bottom end of the electric rod 702 is connected with a T-shaped plate 703 penetrating the bottom of the installation box 701, the bottom of the T-shaped plate 703 is connected with a microwave radar sensor 704, and the electric rod 702 can control the height of the microwave radar sensor 704 to detect the internal distortion micro-variable of the tower drum 2 at different heights.

As shown in fig. 1-4, high-precision receivers 11 are installed at two ends of the top of the tower frame 1, a high-precision GNSS reference datum 12 is arranged at one end of the tower frame 1 in parallel, and the high-precision receivers 11 can detect the settlement and displacement of the tower tube 2, so that the real-time monitoring precision reaches 3 MM.

The second implementation: as shown in fig. 5, S1: data monitored by the inclinometer sensor, the microwave radar sensor and the high-precision GNSS reference datum point are transmitted to the GPRS module in a serial signal transmission mode, are converted into wireless network signals by the GPRS module and then are connected to a safety monitoring and early warning host of a monitoring center, and are received, analyzed, stored, early warned, displayed and inquired by a wind power generation tower safety monitoring and early warning analysis system arranged in the safety monitoring and early warning host;

and S2, the real-time monitoring data can be displayed and controlled in the control room on site, or can be remotely operated and controlled through a workstation, and when the alarm value preset by the system is reached, the alarm information can be prompted in a sound-light alarm mode in the control center or can be sent to a specific mobile phone for alarm prompting in a short message mode.

The working principle is as follows: when in use, the whole inclination direction and the inclination angle of the tower drum 2 can be monitored in real time by the arranged first monitoring mechanism 6, the precision can reach 0.01 degree, the multipoint displacement of the curved surface of the tower drum 2 can be synchronously monitored in real time by the arranged second monitoring mechanism 7, the monitoring precision reaches 0.01MM, the inclination change in the X/Y directions can be simultaneously measured by the arranged inclinometer sensor 605, the inclination direction and the inclination angle of a measuring point can be definitely measured, the bus system can be directly hung for automatic data acquisition, the device is widely used for measuring the vertical settlement change in soil bodies such as dams, mountain slopes, roadbeds and the like, the gear 9 can be rotated by starting the arranged motor 8, the gear 9 can be rotated to be meshed with the rotating toothed ring 603, so that the inclinometer sensor 605 can be detected at different positions on the same plane by rotating the bent rod 604, can carry out limiting displacement to knee pole 604 through the ring groove 10 that sets up, avoid producing the skew when rotating knee pole 604 and make inclinometer sensor 605 detect inaccurately, thereby can control microwave radar sensor 704's height through the electronic pole 702 that sets up and can detect the inside distortion micro variable of a tower section of thick bamboo 2 on the co-altitude, subside, the displacement volume of a tower section of thick bamboo 2 through the high accuracy receiver 11 detectable that sets up, the real-time supervision precision reaches 3 MM.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. Wind power generation tower deformation monitoring system, including pylon (1), its characterized in that: the top of tower (1) is connected with a tower section of thick bamboo (2), the top of tower section of thick bamboo (2) is connected with cabin (3), the one end of cabin (3) is connected with hubcap (4), blade (5) are installed to the outside equidistance of hubcap (4), both ends all are provided with first monitoring mechanism (6) about the outer wall of tower section of thick bamboo (2), the both ends that the outer wall of tower section of thick bamboo (2) is close to the center are provided with second monitoring mechanism (7).

2. Wind power tower deformation monitoring system according to claim 1, characterized in that: the first monitoring mechanism (6) comprises a ring frame (601) arranged on the outer walls of the upper end and the lower end of the tower barrel (2), an inner groove (602) is formed in the center of the inner portion of the ring frame (601), a gear ring (603) is arranged inside the inner groove (602), the outer wall of the gear ring (603) is connected with a bent rod (604), and the bottom end of the bent rod (604) is connected with an inclinometer sensor (605).

3. The wind power tower deformation monitoring system of claim 2, wherein: the top of ring frame (601) is provided with vertical decurrent motor (8), the output of motor (8) runs through to inside groove (602) internal connection has gear (9), gear (9) are connected for the meshing with ring gear (603).

4. Wind power tower deformation monitoring system according to claim 2, characterized in that: vertical decurrent ring groove (10) have been seted up to the inside of ring frame (601), ring groove (10) are run through to the vertical decurrent one end of knee pole (604).

5. Wind power tower deformation monitoring system according to claim 1, characterized in that: the second monitoring mechanism (7) is close to center both ends install bin (701) including installing the outer wall at a tower section of thick bamboo (2), the inside top of install bin (701) is connected with electronic pole (702), the bottom of electronic pole (702) is connected with T shaped plate (703) that runs through install bin (701) bottom, the bottom of T shaped plate (703) is connected with microwave radar sensor (704).

6. Wind power tower deformation monitoring system according to claim 1, characterized in that: the high-precision GNSS reference point device is characterized in that high-precision receivers (11) are mounted at two ends of the top of the tower (1), and a high-precision GNSS reference point (12) is arranged at one parallel end of the tower (1).